ALERT: No maps available for GFS run 06 UTC Fri 16 Nov 2018. Defaulting to 18 UTC Fri 10 May 2024.
ALERT: Maps for forecast hour 75 do not exist, defaulting to fhour = 72.
Valid: 18 UTC Mon 13 May 2024
ERROR: Parameter HGT unavailable for GFS forecast hour 72.